ATI Mobility Radeon HD 4870 X2 vs NVIDIA GeForce 8800 GTS 320

Table of Contents

Graphics Processor

GPU model M98 G80
GPU variant M98 XT (216-0732023) G80-100-K0-A2
Architecture TeraScale Tesla
Foundry TSMC TSMC
Manufacturing process 55 nm 90 nm
Number of transistors 956 million 681 million
Die size 256 mm² 484 mm²

Mobile graphics

Release date Jan 9th, 2009
Generation M9x (Mobility HD 4800)
Production End-of-life
Interface PCIe 2.0 x16
Reviews 2 in our database
Predecessor M8x
Successor Manhattan

Clocks

GPU clock 550 MHz 513 MHz
Memory clock 700 MHz 2.8 Gbps effective 792 MHz 1584 Mbps effective
Shader clock 1188 MHz

Memory Configuration

Memory size 1024 MB 320 MB
Memory type GDDR5 GDDR3
Memory bus width 256 bit 320 bit
Bandwidth 89.60 GB/s 63.36 GB/s

Render Configuration

Shading units 800 96
TMUs 40 24
ROPs 16 20
Compute units 10
Cache L1 16 KB (per CU)
Cache L2 256 KB 80 KB
SM count 12

Performance

Pixel rate 8.800 GPixel/s 10.26 GPixel/s
Texture rate 22.00 GTexel/s 24.62 GTexel/s
FP32 (float) performance 880.0 GFLOPS 228.1 GFLOPS
FP64 (double) performance 176.0 GFLOPS (1:5)

Dimensions & Outputs

TDP unknown 143 W
Outputs No outputs 2x DVI1x S-Video
Slot width Dual-slot
Length 267 mm 10.5 inches
Suggested PSU 300 W
Power connectors 1x 6-pin
Board number P356

API Support & Features

DirectX 10.1 (10_1) 11.1 (10_0)
OpenGL 3.3 3.3
OpenCL 1.1 1.1 (1.0)
Vulkan
Shader model 4.1 4.0
CUDA 1.0

Other Features

Graphics Card

Release date Feb 12th, 2007
Generation GeForce 8
Production End-of-life
Launch price 269 USD
Interface PCIe 1.0 x16
Reviews 403 in our database
Predecessor GeForce 7 PCIe
Successor GeForce 9

Compare

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